BASE Jumper Takes His Mini Australian Cattle Dog For A Wingsuit Flight

42-year-old filmmaker and adventurer Dean Potter from Yosemite, California recently took his adventurous, 4-year-old Miniature Australian Cattle Dog, Whisper, BASE jumping off Eiger mountain in the Bernese Alps in Switzerland. Potter makes sure his best friend is safe at all times and uses professional equipment that he trusts his own life with. This is a clip from Potter’s new 22-minute autobiographical documentary, When Dogs Fly.[DeanSPotter] [NationalGeographic]